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    SubjectRe: how about mutual compatibility between Linux's GPLv2 and GPLv3?
    On Jun 21, 2007, Al Viro <> wrote:

    > On Thu, Jun 21, 2007 at 06:39:07AM -0300, Alexandre Oliva wrote:

    >> - the kernel Linux could use code from GPLv3 projects

    > ... and inherit GPLv3 additional restrictions. No.

    Respecting the wishes of the author of that code. Are you suggesting
    they should not be respected?

    Anyone who's not happy about it can still take that portion out,
    unless you accept changes that make this nearly impossible, which I
    suppose you wouldn't given how strongly you feel about this.

    Without this provision, you wouldn't be able to use the code in the
    first place, so I don't perceive any loss for anyone. Do you?

    >> - GPLv3 projects could use code from Linux

    > Oh, rapture! How could one object against such a glorious outcome?

    Exactly ;-)

    Two-way cooperation. I'm told that's good. I was told this was even

    I can see that one-way cooperation could be perceived as unfair, even
    if permissions granted by GPLv3 are all granted by GPLv2 as well.

    >> - each copyright holder would still get to enforce the terms s/he
    >> chose for his/her own code

    > ... except for that pesky "no added restrictions" part, but hey, who
    > cares?

    But see, nobody would be adding restrictions to *your* code. You'd
    only be enabling mutual cooperation with projects whose authors
    weren't happy about restrictions some licensees could impose on others
    (including the authors themselves).

    >> If you were to permit compatibility with GPLv3+ (rather than GPLv3),
    >> would you constrain it? Would something like:
    >> as long as the later version grants each licensee the same
    >> permissions as GPLv2, except for constraining permissions that would
    >> enable one licensee to deny other licensees the exercise of the
    >> permissions granted by both licenses

    > ... because it's For The Benefit Of User Freedoms!!!

    It is either way. Do you deny that tivoization also benefits one
    user/licensee? And in detriment of others, while at that?

    > No. Permission denied.

    Your opinion is duly noted. Thanks.

    > If somebody wants to dual-license *others* code,

    This is not about dual licensing at all, and this is not about others
    code. This is a decision you would have to make in order to enable
    cooperation between projects.

    If you don't want to make this decision, that's fine. Nobody can be
    forced to cooperate. This works in both directions.

    Don't try to frame those who want to respect and defend users'
    freedoms as uncooperative. This is *your* decision, and your decision

    Alexandre Oliva
    FSF Latin America Board Member
    Red Hat Compiler Engineer aoliva@{,}
    Free Software Evangelist oliva@{,}
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      Last update: 2007-06-21 22:19    [W:0.026 / U:133.752 seconds]
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